<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{padding:0;margin: 0;}
    .block{
      width: 80px;
      height: 80px;
      line-height: 80px;
      border: 2px solid black;
      text-align: center;
    }
    .block:nth-child(2){
      border: 2px red solid;
      position: relative;
      top: 20px;
      left: 20px;
    }
  </style>
</head>
<body>
  <div class="block">1</div>
  <div class="block">2</div>
  <div class="block">3</div>
</body>
</html>